noun
Taira clan; Heike family
Refers to the Taira clan, a major samurai family in Japanese history. Often used in historical contexts, especially regarding the Genpei War. 平家 (へいけ) is a closely related term often used interchangeably, but 平氏 can emphasize the broader clan lineage.
See also: 平家 (へいけ)
平氏は源氏と戦った。
The Taira clan fought against the Minamoto clan.
From 平 (Taira) + 氏 (clan/family). The reading へいし is the on'yomi of the characters.